(2) Prove that the following are equivalent for x ER and A CR. (a) X E...

Question

Question

(2) Prove that the following are equivalent for x ER and A CR. (a) X E A. Here A denotes the closure of A. (b) For every e >

Answer 1

Answer #1

$Au Ko ha ofclosue of A хEл f for e\U ¥ y eSo thuye exist n Dpem bal B(5, e) SuCh thas (a)(b St Sho w tha+ Since A Clo SuTe 2ь$

Answer 2

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